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[NTOS:MM] Improve debug prints in MmCreateVirtualMappingUnsafe. CORE-14478

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Thomas Faber 2018-03-18 23:49:42 +01:00
parent 1e579843bc
commit a17bf6f669
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GPG key ID: 076E7C3D44720826
1 changed files with 4 additions and 4 deletions
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8
ntoskrnl/mm/i386/page.c
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@ -673,13 +673,13 @@ MmCreateVirtualMappingUnsafe(PEPROCESS Process,
{ {
if (Address < MmSystemRangeStart) if (Address < MmSystemRangeStart)
{ {
DPRINT1("No process\n"); DPRINT1("NULL process given for user-mode mapping at %p -- %lu pages starting at %Ix\n", Address, PageCount, *Pages);
KeBugCheck(MEMORY_MANAGEMENT); KeBugCheck(MEMORY_MANAGEMENT);
} }
if (PageCount > 0x10000 || if (PageCount > 0x10000 ||
(ULONG_PTR) Address / PAGE_SIZE + PageCount > 0x100000) (ULONG_PTR) Address / PAGE_SIZE + PageCount > 0x100000)
{ {
DPRINT1("Page count too large\n"); DPRINT1("Page count too large for kernel-mode mapping at %p -- %lu pages starting at %Ix\n", Address, PageCount, *Pages);
KeBugCheck(MEMORY_MANAGEMENT); KeBugCheck(MEMORY_MANAGEMENT);
} }
} }
@ -687,14 +687,14 @@ MmCreateVirtualMappingUnsafe(PEPROCESS Process,
{ {
if (Address >= MmSystemRangeStart) if (Address >= MmSystemRangeStart)
{ {
DPRINT1("Setting kernel address with process context\n"); DPRINT1("Process %p given for kernel-mode mapping at %p -- %lu pages starting at %Ix\n", Process, Address, PageCount, *Pages);
KeBugCheck(MEMORY_MANAGEMENT); KeBugCheck(MEMORY_MANAGEMENT);
} }
if (PageCount > (ULONG_PTR)MmSystemRangeStart / PAGE_SIZE || if (PageCount > (ULONG_PTR)MmSystemRangeStart / PAGE_SIZE ||
(ULONG_PTR) Address / PAGE_SIZE + PageCount > (ULONG_PTR) Address / PAGE_SIZE + PageCount >
(ULONG_PTR)MmSystemRangeStart / PAGE_SIZE) (ULONG_PTR)MmSystemRangeStart / PAGE_SIZE)
{ {
DPRINT1("Page Count too large\n"); DPRINT1("Page count too large for process %p user-mode mapping at %p -- %lu pages starting at %Ix\n", Process, Address, PageCount, *Pages);
KeBugCheck(MEMORY_MANAGEMENT); KeBugCheck(MEMORY_MANAGEMENT);
} }
} }